This report provides a comprehensive overview of business organizations, classifying them by size (micro, small, medium, and large) and discussing their characteristics. It explores various business structures, ranging from sole proprietorships to cooperatives and limited liability partnerships, outlining the key features of each. The report further examines organizational structures, such as hierarchical, divisional, and matrix structures, and their impact on business productivity. A significant portion of the report is dedicated to the PESTEL analysis, using Unilever as a case study to illustrate how political, economic, social, technological, environmental, and legal factors influence a company's operations and strategic decisions. The conclusion emphasizes the importance of understanding both internal structures and external factors for effective business management and strategy development.